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The lengths of 40 leaves of a plant are ...

The lengths of 40 leaves of a plant are measured correct to the nearest millimetre and the data obtained is represented in the following data:

Find the median length of the leaves
The data needs to be converted to continuous classes for findinig the median, since the formula assumes continuous classes. The classes then change to 117.5-126.5, 126.5-135.5,...........171.5-180.5)

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BEYOND PUBLICATION-STATISTICS-EXERCISE
  1. The lengths of 40 leaves of a plant are measured correct to the neares...

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  2. The median of the data x/5, x, x/4, x/2 and x/8 is 8. Find the value o...

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  3. If the mean and median of a data are 48.5 and 46.25 respectively. Find...

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  4. Find the mean when median is 72.5 and mode is 70.

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  5. Find the median when the mean is 28.5 and mode is 27.

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  6. Find the median of the data given below: 14, 18, 9, 21, 15, 20, 16, 6

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  7. Find the median for the following data: 28, 15, 11, 19, 31, 20

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  8. Find the mode of the scores 4, 5, 3, 2, 5,3,6,5,7,1

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  9. Find the mode of the scores 18,21,14,18,21,16,21.

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  10. Find the mode of the scores 28,20,24,28,36,32,28,40

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  11. Write upper limit of 20-25

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  12. Write lower limit of 4-11

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  13. What is the mid value of 35-45

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  14. The most frequently used measure of central tendency

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  15. The value of among the observation of which occurs most frequently is ...

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  16. The width of the class interval 20- 30 is

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  17. Which is the better measure of central tendency when individual observ...

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  18. Which measure of central tendency is given by the x coordinate of the ...

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  19. The A.M of first n natural numbers is

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  20. Which of the following is not a measure of central tendency ?

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  21. If the mean of 4, x, 6,9,9,y and 13 is 8 then

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